Unit 7 Crossword Puzzle

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Across
  1. 5. it's not an invention but people discovered how to use this
  2. 7. you need to find a solution for this
  3. 9. you need to have this to invent new things
  4. 11. something people created to make our lives easier
  5. 12. The wheel and the ______ ____ help to make the world go round!
Down
  1. 1. when you accomplish your goal
  2. 2. you need this to run many things
  3. 3. when you didn't accomplish your goal
  4. 4. he invented the Sticky notes
  5. 6. a great invention
  6. 8. the invention which helps the blind people to read
  7. 10. Frank Epperson accidentally invented this.